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Scientists hope to____soon in their fight against heart disease.
A.break upB.break outC.break throughD.break in
C
考查动词词语辨析。句意:科学家们希望能尽快在应对心脏病方面有所突破。Break up“分解、打断”;break out“爆发、发生”;break through“突破”;break in“闯入、打断”;按照句意答案选C.
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